<template>
    <el-form size="small">
        <el-form-item>
            <el-radio v-model='radioValue' :label="1">
                分钟，允许的通配符[, - * /]
            </el-radio>
        </el-form-item>

        <el-form-item>
            <el-radio v-model='radioValue' :label="2">
                周期从
                <el-input-number v-model='cycle01' :min="0" :max="58" /> -
                <el-input-number v-model='cycle02' :min="cycle01 + 1" :max="59" /> 分钟
            </el-radio>
        </el-form-item>

        <el-form-item>
            <el-radio v-model='radioValue' :label="3">
                从
                <el-input-number v-model='average01' :min="0" :max="58" /> 分钟开始， 每
                <el-input-number v-model='average02' :min="1" :max="59 - average01" /> 分钟执行一次
            </el-radio>
        </el-form-item>

        <el-form-item>
            <el-radio v-model='radioValue' :label="4">
                指定
                <el-select clearable v-model="checkboxList" placeholder="可多选" multiple :multiple-limit="10">
                    <el-option v-for="item in 60" :key="item" :label="item - 1" :value="item - 1" />
                </el-select>
            </el-radio>
        </el-form-item>
    </el-form>
</template>
<script setup>
  const emit = defineEmits(['update'])
  const props = defineProps({
    cron: {
      type: Object,
      default: {
        second: "*",
        min: "*",
        hour: "*",
        day: "*",
        month: "*",
        week: "?",
        year: ""
      }
    },
    check: {
      type: Function,
      default: () => {
      }
    }
  })
  const radioValue = ref(1)
  const cycle01 = ref(0)
  const cycle02 = ref(1)
  const average01 = ref(0)
  const average02 = ref(1)
  const checkboxList = ref([])
  const checkCopy = ref([0])
  const cycleTotal = computed(() => {
    cycle01.value = props.check(cycle01.value, 0, 58)
    cycle02.value = props.check(cycle02.value, cycle01.value + 1, 59)
    return cycle01.value + '-' + cycle02.value
  })
  const averageTotal = computed(() => {
    average01.value = props.check(average01.value, 0, 58)
    average02.value = props.check(average02.value, 1, 59 - average01.value)
    return average01.value + '/' + average02.value
  })
  const checkboxString = computed(() => {
    return checkboxList.value.join(',')
  })
  watch(() => props.cron.min, value => changeRadioValue(value))
  watch([radioValue, cycleTotal, averageTotal, checkboxString], () => onRadioChange())
  function changeRadioValue(value) {
    if (value === '*') {
      radioValue.value = 1
    } else if (value.indexOf('-') > -1) {
      const indexArr = value.split('-')
      cycle01.value = Number(indexArr[0])
      cycle02.value = Number(indexArr[1])
      radioValue.value = 2
    } else if (value.indexOf('/') > -1) {
      const indexArr = value.split('/')
      average01.value = Number(indexArr[0])
      average02.value = Number(indexArr[1])
      radioValue.value = 3
    } else {
      checkboxList.value = [...new Set(value.split(',').map(item => Number(item)))]
      radioValue.value = 4
    }
  }
  function onRadioChange() {
    switch (radioValue.value) {
      case 1:
        emit('update', 'min', '*', 'min')
        break
      case 2:
        emit('update', 'min', cycleTotal.value, 'min')
        break
      case 3:
        emit('update', 'min', averageTotal.value, 'min')
        break
      case 4:
        if (checkboxList.value.length === 0) {
          checkboxList.value.push(checkCopy.value[0])
        } else {
          checkCopy.value = checkboxList.value
        }
        emit('update', 'min', checkboxString.value, 'min')
        break
    }
  }
</script>

<style lang="scss" scoped>
.el-input-number--small, .el-select, .el-select--small {
    margin: 0 0.2rem;
}
.el-select, .el-select--small {
    width: 19.8rem;
}
</style>